Toyota Sienna Service Manual: Terminals of ECU

Toyota Sienna Service Manual / Cruise control / Dynamic laser cruise control system / Terminals of ECU

1. CHECK DISTANCE CONTROL ECU

CHECK DISTANCE CONTROL ECU

Reference: waveform 1

HINT:

Terminal: LRDD - SGND
Gauge set: 2 V/DIV., 10 ms./DIV.
Condition: ignition switch in the ON position

CHECK DISTANCE CONTROL ECU

Reference: waveform 2

HINT:

Terminal: LRRD - SGND
Gauge set: 2 V/DIV., 5 ms./DIV.
Condition: ignition switch in the ON position

2. CHECK ECM

CHECK ECM

If the value is not within the specified range, the ECM may have a malfunction.

3. CHECK LASER SENSOR

CHECK LASER SENSOR

Reference: waveform 1

HINT:

Terminal: LRDD - SGND
Gauge set: 2 V/DIV., 10 ms./DIV.
Condition: ignition switch in the ON position

CHECK LASER SENSOR

Reference: waveform 2

HINT:

Terminal: LRRD - SGND
Gauge set: 2 V/DIV., 5 ms./DIV.
Condition: ignition switch in the ON position

4. BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)

BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)

Problem symptoms table

HINT: Use the table below to help determine the cause of the problem symptom. The likely causes of the problem are indicated in descending order. Check each suspected area in order. Re ...

Diagnosis system

1. DIAGNOSIS FUNCTION The diagnosis function makes the light and the multi-information display come on, and the CRUISE main indicator light blink as shown in the illustration. When ...

Other materials:

Removal
1. REMOVE BACK DOOR CENTER GARNISH (See page ET-18) 2. REMOVE POWER BACK DOOR ROD (See page ED- 220) 3. REMOVE BACK DOOR LH SIDE GARNISH 4. REMOVE BACK DOOR RH SIDE GARNISH 5. REMOVE BACK DOOR PULL STRAP (See page ED- 221) 6. REMOVE BACK DOOR TRIM BOARD ASSEMBLY 7. REMOVE LH BACK-UP LIGH ...

Television camera
COMPONENTS REMOVAL 1. REMOVE BACK DOOR GARNISH CENTER HINT: Back Door: Power Back Door: 2. REMOVE BACK DOOR SIDE GARNISH LH HINT: Back Door: Power Back Door: 3. REMOVE BACK DOOR SIDE GARNISH RH Back Door: Power Back Door: ...

Installation
1. INSTALL TIRE PRESSURE WARNING ECU (a) Connect the connector to the tire pressure warning ECU. (b) Install the tire pressure warning ECU with the screw. 2. INSTALL INSTRUMENT PANEL SAFETY PAD SUBASSEMBLY HINT: Refer to the instructions for INSTALLATION of the instrument panel safety ...